101445445 has 8 divisors (see below), whose sum is σ = 124031736. Its totient is φ = 79624896.

The previous prime is 101445431. The next prime is 101445457. The reversal of 101445445 is 544544101.

It can be written as a sum of positive squares in 4 ways, for example, as 201601 + 101243844 = 449^2 + 10062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101445445 - 2¹⁵ = 101412677 is a prime.

It is a super-2 number, since 2×101445445² = 20582356622496050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191142 + ... + 191671.

It is an arithmetic number, because the mean of its divisors is an integer number (15503967).

Almost surely, 2^101445445 is an apocalyptic number.

It is an amenable number.

101445445 is a deficient number, since it is larger than the sum of its proper divisors (22586291).

101445445 is an equidigital number, since it uses as much as digits as its factorization.

101445445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382871.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 101445445 is about 10072.0129567033. The cubic root of 101445445 is about 466.3845809394.

Adding to 101445445 its reverse (544544101), we get a palindrome (645989546).

The spelling of 101445445 in words is "one hundred one million, four hundred forty-five thousand, four hundred forty-five".